Finding the Fourth Proportional to 141,985,577.61, 194,519,334.74 and 136,675,989.96
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Solution
The fourth proportional to 141,985,577.61, 194,519,334.74 and 136,675,989.96 is: 187,245,233.56
Step by Step Solution
- Step 1: Write the proportion equation
141,985,577.61 : 194,519,334.74 = 136,675,989.96 : x - Step 2: Convert to fraction form
141,985,577.61/194,519,334.74 = 136,675,989.96/x - Step 3: Cross multiply
141,985,577.61x = 194,519,334.74 × 136,675,989.96 - Step 4: Simplify right side
141,985,577.61x = 26,586,122,641,266,744 - Step 5: Solve for x
x = 26,586,122,641,266,744/141,985,577.61 - Step 6: Final answer
x = 187,245,233.56
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.